public async Task Invoke(RenderContext context)
{
/// http://your.domain.name/.well-known/acme-challenge/
if (context.Request.RelativeUrl != null && context.Request.RelativeUrl.ToLower().StartsWith("/.well-known/acme-challenge"))
{
var host = context.Request.Host;
string validate = context.Request.QueryString.Get("validate");
if (string.IsNullOrWhiteSpace(validate))
{
// this is for real... not for validation check.
string token = SslService.GetToken(host);
if (!string.IsNullOrWhiteSpace(token))
{
context.Response.Body = System.Text.Encoding.UTF8.GetBytes(token);
context.Response.ContentType = "text/html;charset=utf-8; ";
context.Response.End = true;
}
}
else
{
var checkok = SslService.Verify(host, validate);
if (checkok)
{
context.Response.Body = System.Text.Encoding.UTF8.GetBytes("[OK]");
context.Response.ContentType = "text/html;charset=utf-8; ";
context.Response.End = true;
}
else
{
context.Response.Body = System.Text.Encoding.UTF8.GetBytes("[error]");
context.Response.StatusCode = 403;
context.Response.ContentType = "text/html;charset=utf-8; ";
context.Response.End = true;
}
}
}
else
{
await Next.Invoke(context);
}
}
